.slider .slick-prev
{
    left: -35px;
    z-index: 20;
}
.slider .slick-next
{
    right: -25px;
    z-index: 20;
}
.slider .slick-prev:before,
.slider .slick-next:before
{
    font-family: 'slick';
    font-size: 27px;
}

.slider li{
    margin-left: 7px;
    margin-right: 7px;
}